Staff Platform Site Reliability Engineer
Index Exchange · London, England ·
Overview As a Staff Platform Engineer, you will shape the architecture of Index Cloud, a multi-tenant, globally distributed compute platform. You'll drive large-scale infrastructure work and guide technical direction across teams, focusing on scalable, real-time systems.
You enable engineers to ship quickly through self-service tooling and platform APIs. This role sits at the core of building a platform‐as‐a‐product at internet scale, turning complex problems into reliable, developer-friendly foundations.
You will join an engineering‐first culture that values impact, collaboration, and continuous learning. Pay / Benefits Comprehensive health, dental, and vision plans Paid time off and flexible work schedules Equity packages Parental leave Well-being allowance and fitness discounts Volunteer time off and donation matching Responsibilities Design and deliver multi-tenant Kubernetes infrastructure across bare-metal and public cloud Build infrastructure-as-code frameworks enabling changes across thousands of servers Develop standard libraries, SDKs, and platform APIs used by all engineering teams Drive architectural direction through RFCs and design reviews; set tooling and security standards Create self-service tooling and platform APIs to accelerate engineering delivery Mentor engineers and foster engineering excellence across multiple related teams Key requirements 8+ years in platform engineering, SRE, infrastructure engineering, or DevOps Deep experience with Linux internals (kernel tuning, networking, observability, security) Strong Kubernetes expertise (cluster lifecycle, networking, storage, RBAC, multi-cluster) across bare-metal and cloud Infrastructure-as-code at scale (Terraform, Ansible, GitOps via ArgoCD or similar) Proficiency in Go, Python, or both for building libraries, SDKs, and APIs Solid networking fundamentals (L2-L7), load balancing, DNS, service discovery Track record of driving technical strategy across teams Strong collaboration and communication across cross-functional teams Ability to navigate ambiguity and influence without authority Devotion to developer experience and operational readiness Kubernetes (EKS, GKE) and bare-metal setups Linux internals and system tuning Terraform, Ansible, GitOps (ArgoCD)